CN217815438U - Prefabricated direct-burried insulating tube of HN - Google Patents
Prefabricated direct-burried insulating tube of HN Download PDFInfo
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- CN217815438U CN217815438U CN202221800396.4U CN202221800396U CN217815438U CN 217815438 U CN217815438 U CN 217815438U CN 202221800396 U CN202221800396 U CN 202221800396U CN 217815438 U CN217815438 U CN 217815438U
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- outer protective
- protective tube
- heat preservation
- steel pipe
- tube
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Abstract
The utility model relates to a prefabricated direct-burried insulating tube technical field discloses a prefabricated direct-burried insulating tube of HN, including heat preservation steel pipe and outer protective tube, clearance department between heat preservation steel pipe and the outer protective tube is provided with the heat preservation, the polyurethane insulation material has been filled in the heat preservation, the holding ring has all been cup jointed to heat preservation steel pipe outer wall both sides. The utility model discloses a cup joint outer protective tube in the outside of holding ring, make two holding rings arrange outer protective tube's inner wall both sides respectively in, can carry out the location support to it when cup jointing outer protective tube, make things convenient for the installation location of outer protective tube, the installation effectiveness of outer protective tube has been improved, and guarantee that the heat preservation steel pipe is in the central point of outer protective tube and put, avoid when pouring polyurethane insulation material, the heat preservation steel pipe receives the material extrusion skew, make the heat preservation steel pipe crooked, the holding ring also can play certain supporting role to outer protective tube, increase the bearing strength of outer protective tube, and the pressure-bearing strength who is fit for extensively promoting and using.
Description
Technical Field
The utility model belongs to the technical field of prefabricated direct-burried insulating tube, specifically speaking relates to a prefabricated direct-burried insulating tube of HN.
Background
The prefabricated direct-buried heat insulation pipe is widely used for liquid and gas conveying pipe networks, chemical pipeline heat insulation engineering petroleum, chemical engineering, central heating heat supply networks, central air conditioning ventilation pipelines, municipal engineering and the like. The high-temperature prefabricated direct-buried heat-insulating pipe has the advantages of good heat-insulating performance, safety, reliability and low cost. Therefore, the key of the prefabricated direct-buried heat-insulating pipe is the heat-insulating property, the durability and the convenient and stable connection property.
However, the existing prefabricated direct burial thermal insulation pipe still has some defects in the process of installing the outer protective pipe, such as: when the outer protective pipe of current prefabricated direct-burried insulating tube installation, need now hang the heat preservation steel pipe to poling platform and fix, on emboliaing the steel pipe of fixed support with outer protective pipe again, when cup jointing outer protective pipe, the assurance heat preservation steel pipe that can not be fine is in the central point of outer protective pipe and puts, and the installation is comparatively loaded down with trivial details.
In view of this, the present invention is provided.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model adopts the following basic concept:
the utility model provides a prefabricated direct-burried insulating tube of HN, includes insulating steel pipe and outer protective tube, clearance department between insulating steel pipe and the outer protective tube is provided with the heat preservation, it has polyurethane insulation material to fill in the heat preservation, the holding ring has all been cup jointed to insulating steel pipe outer wall both sides, perpendicular fixed mounting respectively has last bracing piece and bottom suspension vaulting pole on the two sides about the insulating steel pipe both sides, go up bracing piece top and bottom suspension vaulting pole bottom respectively with both sides fixed connection about the holding ring inner wall.
As a preferred embodiment of the present invention, the outer protection pipe is a high density polyethylene outer protection pipe.
As an optimal implementation mode of the utility model, the filling hole has been seted up at outer protective tube upper surface middle part, the opening part of filling hole is provided with the sealing plug.
As a preferred embodiment of the present invention, the outer diameter of the sealing plug is adapted to the inner diameter of the filling hole.
As a preferred embodiment of the present invention, the outer diameter of the positioning ring is adapted to the inner diameter of the outer protection tube.
As a preferred embodiment of the utility model, two sets of distance between the holding ring and the length looks adaptation of outer protective tube.
Compared with the prior art, the utility model following beneficial effect has:
the utility model discloses a set up the holding ring in heat preservation steel pipe both sides, the external diameter of holding ring and the internal diameter looks adaptation of outer protective tube, when the outer protective tube of installation, cup joint outer protective tube in the outside of holding ring, make two holding rings arrange the inner wall both sides of outer protective tube respectively in, can carry out the location support to it when cup jointing outer protective tube, make things convenient for the installation location of outer protective tube, the installation effectiveness of outer protective tube has been improved, and guarantee that the heat preservation steel pipe is in the central point of outer protective tube and put, avoid when pouring into polyurethane insulation material, the heat preservation steel pipe receives the material extrusion skew, make the heat preservation steel pipe crooked, the holding ring also can play certain supporting role to outer protective tube, increase the bearing strength of outer protective tube.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
In the drawings:
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a schematic view of the connection structure of the steel insulated pipe and the positioning ring of the present invention;
fig. 3 is a schematic side view of the present invention.
In the figure: 1-heat preservation steel pipe; 2-insulating layer; 3-a perfusion hole; 4-sealing plug; 5-outer protective tube; 6-upper support rod; 7-a positioning ring; 8-lower support bar.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention.
As shown in fig. 1 to 3, a prefabricated direct-burried insulating tube of HN, including insulating steel pipe 1 and outer protecting tube 5, outer protecting tube 5 is the outer pillar of high density polyethylene, the outer pillar surface hardness of high density polyethylene, tensile strength and rigidity intensity are high, clearance department between insulating steel pipe 1 and the outer protecting tube 5 is provided with heat preservation 2, it has polyurethane insulation material to pour into in the heat preservation 2, play the heat preservation effect, positioning ring 7 has all been cup jointed to insulating steel pipe 1 outer wall both sides, the external diameter of positioning ring 7 and the internal diameter looks adaptation of outer protecting tube 5, positioning ring 7 can support the location to outer protecting tube 5, make things convenient for the installation of outer protecting tube 5, two sides vertical fixed mounting respectively has last bracing piece 6 and lower support bar 8 about insulating steel pipe 1 both sides, go up bracing piece 6 top and lower support bar 8 bottom respectively with 7 inner wall upper and lower both sides fixed connection about the positioning ring, go up bracing piece 6 and lower support bar 8 and support the fixing to positioning ring 7.
As shown in fig. 1 to fig. 3, in this setting, furthermore, a filling hole 3 has been seted up at the middle part of the upper surface of outer protective tube 5, and filling hole 3 makes things convenient for filling of polyurethane thermal insulation material, and the opening part of filling hole 3 is provided with sealing plug 4, and the external diameter of sealing plug 4 and the internal diameter looks adaptation of filling hole 3, sealing plug 4 can seal filling hole 3 after filling.
As shown in fig. 1 to 3, in the present configuration, further, the distance between the two sets of positioning rings 7 is adapted to the length of the outer protection tube 5, so that the positioning rings can support and position two sides of the inner wall of the outer protection tube 5 conveniently.
The implementation principle of the prefabricated direct-burried insulating tube of HN of this embodiment is as follows: when the outer protective tube 5 of installation, cup joint outer protective tube 5 in the outside of holding ring 7, make two holding rings 7 arrange the inner wall both sides of outer protective tube 5 respectively in, holding ring 7 can carry out the location support to it when cup jointing outer protective tube 5, make things convenient for the installation location of outer protective tube 5, the installation effectiveness of outer protective tube 5 has been improved, guarantee outer protective tube 5 at the in-process of installation, heat preservation steel pipe 1 is in the central point of outer protective tube 5 and puts, avoid when pouring polyurethane insulation material, heat preservation steel pipe 1 receives the material extrusion skew, make heat preservation steel pipe 1 crooked, holding ring 7 also can play certain supporting role to outer protective tube 5, increase the bearing strength of outer protective tube 5.
Claims (6)
1. The utility model provides a prefabricated direct-burried insulating tube of HN, includes insulating steel pipe (1) and outer protective tube (5), its characterized in that, clearance department between insulating steel pipe (1) and outer protective tube (5) is provided with heat preservation (2), it has polyurethane insulation material to fill in heat preservation (2), holding ring (7) have all been cup jointed to insulating steel pipe (1) outer wall both sides, perpendicular fixed mounting is respectively gone up bracing piece (6) and bottom suspension strut (8) on two sides about insulating steel pipe (1) both sides, go up bracing piece (6) top and bottom suspension strut (8) bottom respectively with both sides fixed connection about holding ring (7) inner wall.
2. The HN prefabricated direct-burial thermal insulation pipe according to claim 1, wherein the outer protective pipe (5) is a high-density polyethylene outer protective pipe.
3. The HN prefabricated direct-buried heat-insulating pipe according to claim 1, wherein a filling hole (3) is formed in the middle of the upper surface of the outer protective pipe (5), and a sealing plug (4) is arranged at an opening of the filling hole (3).
4. A HN prefabricated direct burial insulating tube according to claim 3, characterized in that the outer diameter of the sealing plug (4) is adapted to the inner diameter of the pouring hole (3).
5. The HN prefabricated direct-burried insulating tube according to claim 1, characterized in that the outer diameter of the positioning ring (7) is adapted to the inner diameter of the outer protective tube (5).
6. The HN prefabricated direct-burried insulating tube according to claim 1, characterized in that the distance between two sets of retaining rings (7) is adapted to the length of the outer protective tube (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221800396.4U CN217815438U (en) | 2022-07-13 | 2022-07-13 | Prefabricated direct-burried insulating tube of HN |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221800396.4U CN217815438U (en) | 2022-07-13 | 2022-07-13 | Prefabricated direct-burried insulating tube of HN |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217815438U true CN217815438U (en) | 2022-11-15 |
Family
ID=83964384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221800396.4U Active CN217815438U (en) | 2022-07-13 | 2022-07-13 | Prefabricated direct-burried insulating tube of HN |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217815438U (en) |
-
2022
- 2022-07-13 CN CN202221800396.4U patent/CN217815438U/en active Active
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